Home / 13,427.62-20,144.84-9,486.58

Finding the Fourth Proportional to 13,427.62, 20,144.84 and 9,486.58

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Solution

The fourth proportional to 13,427.62, 20,144.84 and 9,486.58 is: 14,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.62 : 20,144.84 = 9,486.58 : x
  2. Step 2: Convert to fraction form
    13,427.62/20,144.84 = 9,486.58/x
  3. Step 3: Cross multiply
    13,427.62x = 20,144.84 × 9,486.58
  4. Step 4: Simplify right side
    13,427.62x = 191,105,636.25
  5. Step 5: Solve for x
    x = 191,105,636.25/13,427.62
  6. Step 6: Final answer
    x = 14,232.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.